1.866.966.4562

Contact Us

Home > Resources > IT Abbreviations & Acronyms

IT Abbreviations & Acronyms: Comprehensive Glossary

All | # A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
There are currently 82 acronyms in this directory beginning with the letter H.
H
H.R. 744
I-Spy Act -- Internet Spyware Prevention Act Of 2005
H/m
Henry Per Meter
HA
High Availability
HA Cluster
High Availability Cluster
HA Storage
High-Availability Storage
HaaS
Hardware-as-a-Service
HAC
High-Availability Clusters
HAL
Hardware Abstraction Layer
HALO
High Altitude Long Operation
HASA
Highly Accelerated Stress Audit
HAVi
Home Audio Visual
HBA
Host Bus Adapter
HCI
Human-Computer Interaction
HCM
Human Capital Management
HD-DVD
High-Density Dvd
HD-ROM
High-Density - Read Only Memory
HDCD
High Definition Compatible Digital
HDCP
High-Bandwidth Digital Content Protection
HDD
Hard Disk Drive
HDFS
Hadoop Distributed File System
HDLC
High-Level Data Link Control
HDMI
High-Definition Multimedia Interface
HDML
Handheld Device Markup Language
HDSL
High Bit-Rate Digital Subscriber Line
HDTV
High Definition Television
HFC network
Hybrid Fiber Coaxial Network
HFT
High-Frequency Trading
HFTP
Hospitality Financial and Technology Professionals
HH
Hand Held
HHD
Hybrid Hard Drive
HHR
Hybrid Health Record
HHS
Health and Human Services
HIDS/NIDS
Host Intrusion Detection Systems and Network Intrusion Detection Systems
HIE
Health Information Exchange
HIMSS
Healthcare Information and Management Systems Society
HIPAA
Health Insurance Portability and Accountability Act
HIPPI
High-Performance Parallel Interface
HiPPO
Highest Paid Person'S Opinion, Highest Paid Person In The Office
HIPS
Host Intrusion Prevention Systems
HIT
Health It
HKEY
Handle To Registry Key
HLASM
High Level Assembler
HLD
Hardware Load-Balancing Device
HLR
Home Location Register
HMAC
Hash-Based Message Authentication Code
HMD
Head Mounted Display
HMI
Human Machine Interface
HMIPv6
Hierarchical Mobile Ipv6
HOLAP or Hybrid OLAP
Hybrid Online Analytical Processing
HomeRF
Home Radio Frequency
HP
High Performance
HP CSA
HP Cloud Service Automation
HP CSN
Hp Channel Services Network
HP VSE
Hp Virtual Server Environment
HP-GL
Hewlett-Packard Graphics Language
HPC
High-Performance Compute
HPCC
High Performance Computing and Communications
HPFS
High Performance File System
HPNA
Home Phoneline Networking Alliance
HPPS
High Performance Product Sector
HPSS
High Performance Storage System
HPV
High Production Volume
HR
Human Resources
HRM
Human Resource Management
HS 2.0
Hot Spot 2.0
HSCSD
High-Speed Circuit-Switched Data
HSDPA
High-Speed Downlink Packet Access
HSM
Hierarchical Storage Manager or Management
HSPA
High Speed Packet Access
HSPD-7
Homeland Security Presidential Directive No. 7
HSRP
Hot Standby Router Protocol
HSSI
High-Speed Serial Interface
HT server
Hub Transport Server
HTF
Higgins Trust Framework
HTML
Hypertext Markup Language
HTTP
Hypertext Transfer Protocol
HTTPD
Hypertext Transfer Protocol Daemon
HTTPS
Http Over Ssl or Http Secure
HUD
Heads Up Display
HVAC
Heating, Ventilation, and Air Conditioning
HVD
Hosted Virtual Desktop
HVM
Hardware Virtual Machine

A quick reference guide for Information Technology (IT) related acronyms and abbreviations.

As a service to IT personnel everywhere (and also for ourselves) we’ve compiled a comprehensive list of IT-related acronyms and abbreviations.

Acronyms can be pronounced as words, like NASA and UNESCO; as individual letters, like FBI, TNT, and ATM; or as both letters and words, like JPEG (pronounced JAY-peg).

Abbreviations formed from a string of initials and usually pronounced as individual letters are more specifically called initialisms or alphabetisms.

No matter how you refer to these IT-related terms, please use our quick reference guide or search TechTerms.com to help decode the world of IT abbreviations and acronyms.

Additional Resources

Featured Technology Partners

We partner with some of the best known and highest rated brands in the industry to deliver the best technology solutions for your business.

Dell Technologies Platinum Partner
HP Business Partner
Lenovo Platinum Partner
Microsoft Partner
VMWare Enterprise Solution Partner